1998 Jeep Cherokee Q&A
1998 Jeep Cherokee Question: Vents blow only hot air.
poss heater control valve is stuck open - globalhelper
Broken Temperature Blend Air Door(s), improper heater replacement-door jammed & stuck in heat position, bad Actuator or unplugged, no refrigerant put back into AC after repair of heater. These are probably the most likely-any one & possibly multiple combinations. - Walnut Auto Air